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WellCensus

The United Oil

Operator of record for 4 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

The United Oil is the operator of record for 4 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 4 (100%) are plugged & abandoned. Its largest concentration is in California, with 4 wells (100% of its portfolio).

Wells operated

4

Active

0

Plugged

4

Orphaned

0

Portfolio by state

StateWells
California4

Well mix

Oil wells
1
Gas wells
0
Shut-in
0
Active share
0%

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Where does The United Oil operate?

The United Oil's catalogued wells are spread across 1 state: California (4). Its 4 California wells are 0.0% of the 242,471 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.

How many of The United Oil’s wells are active, plugged or orphaned?

0% of The United Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does The United Oil operate?

By product class, 1 (25%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%.

Notable wells operated by The United Oil

Wells operated by The United Oil
WellAPI # / state IDStatusTypeLocationOperatorDepth
Lease by The United Oil Company 2404-029-15592Plugged & abandonedOilKern, CAThe United Oil Company—
Lease by The United Oil Company 104-029-36078Plugged & abandonedOther typeKern, CAThe United Oil Company—
Sue Greenleaf 104-029-36080Plugged & abandonedOther typeKern, CAThe United Oil Company—
Ellis 104-029-36079Plugged & abandonedOther typeKern, CAThe United Oil Company—

Deepest first where depth is published. See all 4 wells →

Frequently asked questions

How many wells does The United Oil operate?

The United Oil is the operator of record for 4 catalogued oil & gas wells, with the largest concentration in California (4). Only wells in states WellCensus has ingested are counted.

How many of The United Oil's wells are still active?

0 of The United Oil's catalogued wells are active; 4 are plugged & abandoned.

In which states does The United Oil operate wells?

The United Oil is the operator of record for wells in California (4).

Does The United Oil operate mostly oil or gas wells?

1 of The United Oil's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

Where The United Oil's wells are

About this data

Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “The United Oil — well portfolio”, https://wellcensus.com/operators/the-united-oil-10139 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).